Serving 240 students in grades Prekindergarten-6, Jefferson County Open Elementary School ranks in the top 50% of all schools in Colorado for overall test scores (math proficiency is bottom 50%, and reading proficiency is bottom 50%).
The percentage of students achieving proficiency in math is 20-24% (which is lower than the Colorado state average of 32%). The percentage of students achieving proficiency in reading/language arts is 50-54% (which is higher than the Colorado state average of 45%).
The student:teacher ratio of 15:1 is equal to the Colorado state level of 15:1.
Minority enrollment is 24% of the student body (majority Hispanic), which is lower than the Colorado state average of 50% (majority Hispanic).
Quick Stats (2025)
- Grades: Prekindergarten-6
- Enrollment: 240 students
- Student:Teacher Ratio: 15:1
- Minority Enrollment: 24%
- Overall Testing Rank: Top 50% in CO
- Math Proficiency: 20-24% (Btm 50%)
- Reading Proficiency: 50-54% (Top 30%)
- Source: National Center for Education Statistics (NCES), CO Dept. of Education
School Overview
Jefferson County Open Elementary School's student population of 240 students has stayed relatively flat over five school years.
The teacher population of 16 teachers has grown by 14% over five school years.
Grades Offered
Grades Prekindergarten-6
Total Students
240 students
Gender %
Total Classroom Teachers
16 teachers
Students by Grade
School Calendar
School Rankings
Jefferson County Open Elementary School ranks within the top 50% of all 1,779 schools in Colorado (based off of combined math and reading proficiency testing data).
The diversity score of Jefferson County Open Elementary School is 0.40, which is less than the diversity score at state average of 0.62. The school's diversity has stayed relatively flat over five school years.
Overall Testing Rank
#801 out of 1779 schools
(Top 50%)
(Top 50%)
Math Test Scores (% Proficient)
20-24%
32%
Reading/Language Arts Test Scores (% Proficient)
50-54%
45%
Student : Teacher Ratio
15:1
15:1
American Indian
n/a
1%
Asian
n/a
3%
Hispanic
15%
36%
Black
n/a
5%
White
76%
50%
Hawaiian
n/a
n/a
Two or more races
9%
5%
All Ethnic Groups
Eligible for Free Lunch
36%
39%
Eligible for Reduced Lunch
5%
6%
School Statewide Testing
School District Name
Source: National Center for Education Statistics (NCES), CO Dept. of Education
Profile last updated: 02/09/2025
Frequently Asked Questions
What is Jefferson County Open Elementary School's ranking?
Jefferson County Open Elementary School is ranked #801 out of 1,779 schools, which ranks it among the top 50% of public schools in Colorado.
What schools are Jefferson County Open Elementary School often compared to?
Jefferson County Open Elementary Schoolis often viewed alongside schools like Slater Elementary School by visitors of our site.
What percent of students have achieved state testing proficiency in math and reading?
20-24% of students have achieved math proficiency (compared to the 32% CO state average), while 50-54% of students have achieved reading proficiency (compared to the 45% CO state average).
How many students attend Jefferson County Open Elementary School?
240 students attend Jefferson County Open Elementary School.
What is the racial composition of the student body?
76% of Jefferson County Open Elementary School students are White, 15% of students are Hispanic, and 9% of students are Two or more races.
What is the student:teacher ratio of Jefferson County Open Elementary School?
Jefferson County Open Elementary School has a student ration of 15:1, which is equal to the Colorado state average of 15:1.
What grades does Jefferson County Open Elementary School offer ?
Jefferson County Open Elementary School offers enrollment in grades Prekindergarten-6
What school district is Jefferson County Open Elementary School part of?
Jefferson County Open Elementary School is part of Jefferson County School District No. R-1.
In what neighborhood is Jefferson County Open Elementary School located?
Jefferson County Open Elementary School is located in the Eiber neighborhood of Denver, CO. There are 2 other public schools located in Eiber.
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